Current Top Percentage Gainers And Losers (XNPT, DGW, IMGN, TPCG, DBLE, GSK, QXM, QTWW, RT, SUPG, NLST)

Best 1) XenoPort (NASDAQ: XNPT): An FDA approval for one of its drugs, along with partner GlaxoSmithKline (NYSE: GSK), has shares vaulting. Posting a huge gain of 63.32% to $10.41. 2) Duoyuan Global Water (NYSE: DGW): Stock has exploded 25% to $4.04 since starting the day in negative territory. The company has been under intense scrutiny and selling pressure in previous days emanating from accusations of fraudulent financial documents. 3) ImmunoGen (NASDAQ: IMGN): A report from Roche announcing positive top-line results from the first trial of its breast cancer drug (trastuzumab emtansine) has shares up 23% to $11.44. 4) TPC Group (NASDAQ: TPCG): Sustaining a 13.6% gain to $37.03. 5) Double Eagle Petroleum (NASDAQ: DBLE): Jumping 12.95% to $10.38.

Worst 1) Qiao Xing Mobile Communication (NYSE: QXM): Shares are plunging 23% to $3.41 after an insufficient amount of shareholders attended a meeting to fulfill quorum requirements. Thus, the proposed bid to go private will be ended. 2) Quantum Fuel Systems Technologies Worldwide (NASDAQ: QTWW): Intense selling pressure on heavy volume has the stock down 18.3% to $3.26. The company recently registered 2,672,040 shares of common stock. 3) Ruby Tuesday (NYSE: RT): Stock is plunging 15.5% to $11.30 after disappointing third-quarter results. 4) SuperGlen (NASDAQ: SUPG): Trading down 11.46% to $2.86. Investors aren't reacting positively to the merge with Astex Therapeutics. 5) Netlist (NASDAQ: NLST): Taking a 6.7% hit to $2.50.